Name:Darksteel Reactor
ManaCost:4
Types:Artifact
K:Indestructible
T:Mode$ Always | TriggerZones$ Battlefield | IsPresent$ Card.Self+counters_GEX_CHARGE+YouCtrl | PresentCompare$ GE1 | Execute$ TrigWinGame | TriggerDescription$ When CARDNAME has twenty or more charge counters on it, you win the game.
T:Mode$ Phase | Phase$ Upkeep | ValidPlayer$ You | Execute$ TrigPutCounter | OptionalDecider$ You | TriggerZones$ Battlefield | TriggerDescription$ At the beginning of your upkeep, you may put a charge counter on CARDNAME.
SVar:TrigPutCounter:AB$PutCounter | Cost$ 0 | CounterType$ CHARGE | CounterNum$ 1 | Defined$ Self
SVar:TrigWinGame:AB$WinsGame | Cost$ 0 | Defined$ You
SVar:X:Number$20
SVar:Picture:http://www.wizards.com/global/images/magic/general/darksteel_reactor.jpg
Oracle:Indestructible (Effects that say "destroy" don't destroy this artifact.)\nAt the beginning of your upkeep, you may put a charge counter on Darksteel Reactor.\nWhen Darksteel Reactor has twenty or more charge counters on it, you win the game.